Set transaction isolation level in the ActiveRecord in a database agnostic way. Works with MySQL, PostgreSQL and SQLite as long as you are using new adapters mysql2, pg or sqlite3. Supports all ANSI SQL isolation levels: :serializable, :repeatable_read, :read_committed, :read_uncommitted.

uffizzi_core

Universal ID opens the flood gates with a deluge of profoundly powerful yet easily implemented new use-cases for your apps and scripts.

Easing the form object pattern in Rails applications.

Amazon Redshift _makeshift_ adapter for ActiveRecord 4.

Amazon Redshift adapter for ActiveRecord 6.x.

Gem adds an "analyze" method to all Active Record query objects. Compatible with PostgreSQL database.

Never worry about weird diffs and merge conflicts again

An Active Record extension for creating associations through lateral joins

Enable enum type for the MySQL Adapter in ActiveRecord

ActiveRecord Tableless Models provides a simple mixin for creating models that are not bound to the database. This approach is useful for taking advantage of the features of ActiveRecord such as validation, relationships, etc.

Dead simple snapshot versioning for ActiveRecord models and associations.

acts_as_xlsx lets you turn any ActiveRecord::Base inheriting class into an excel spreadsheet. It can be added to any finder method or scope chain and can use localized column and sheet names with I18n.

Client Side Validations for Rails 2.x and 3.x

A Ruby on Rails plugin to add an after_commit callback. This can be used to trigger methods only after the entire transaction is complete.

Adds new features to Arel

Deploy features incrementally to your users

A Rails library for storing user sessions in a backend database

Chamber lets you source your Settings from an arbitrary number of YAML files and provides a simple mechanism for overriding settings from the ENV, which is friendly to how Heroku addons work.

Mine remote data into your ActiveRecord models. You can also perform associations and convert units.